Hoklartherm | Retractable Roller Shade Cloth Curtains for Greenhouses 8ft long in 6 widths, White Aluminized Alton These come in Black

These come in Black

When paired with the roof vent

The Janssens Roof Window Fly Screen is a practical upgrade designed for Janssens greenhouse roof vents

A retreat to enjoy fresh air and sunlight

Manufactured with heavy duty 100% UV-protected resins and engineered with a U-shape

Hoklartherm | Retractable Roller Shade Cloth Curtains for Greenhouses 8ft long in 6 widths, White Aluminized Alton These come in BlackShade cloth curtains are an optimal solution for greenhouses. Especially in greenhouses with garden glass or ISO safety glass, shading is absolutely necessary to prevent "burning" on your plants from too much direct sunlight. These nice high quality self retracting roller white aluminized shade cloth curtains filter out excess sunlight, reducing heat on hot summer days. Lower inside temperatures help protect your special plants and create a cooler